My theory would be for some reason Neoload is no longer able to set the proxy, this is likely to be permissions related, when you start Neoload, try running it as admin to see if it makes a difference. If Neoload isn't setting the proxy, then your application connects as normal and Noload isn't intercepting the traffic. Another solution is that you said you tried setting the proxy manually but when you initiated recording, did you still have the start browser checkbox checked. Try unchecking the box and open the browser yourself and see if anything is captured. Check in Neoload preferences that Neoload has your proxy defined and is using it (the 2 dropdowns in the proxy screen). We need to be able to forward traffic on to teh target host. Browser > Neoload > Website